San Mateo County property record for 9 12th Ave, San Mateo, CA 94402
| Property Type | Condominium |
|---|---|
| Details | 2 bd · 2.5 ba · 1,660 sqft · built 1980 |
| Lot Size | 0.413 acres (17,979 sqft) |
| Owner | 2 Trust Names on File |
| Tax Bill | $5,523 (2025) |
| Deeds & Mortgages | Apr 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 107-070-040 |
| Primary APN | 107-070-040 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 5 Rooms |
| Units | 8 Units |
| Stories | 2 Stories |
| Building Area | 1,660 sqft Living Area |
| Game Room | Game Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1980 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | Condo/Apartment |
| Lot Area | 17,979 sqft (0.413 acres) |
| View / Lot | End Unit |
| Garage Type | Carport |
| Carport | Carport |
| Street Address | 9 12TH AVE |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94402-2401 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Local Zoning Code | R40000 |
| Legal Description | UNIT 4 PARCEL MAP NO 214 HAYWARD PARK ESTATES P M VOL 48/2-6 |
| Legal Subdivision | HAYWARD PARK ESTATES |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 1 |
| Census Block | 1013 |
| Census Tract | 606600 |
9 12th Ave, a condominium, is held in a trust since January 2026.
Source: San Mateo County records, as of July 15, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 431 GRAND BLVD, SAN MATEO, CA 94401-1711 |
| Owner Type | Company |
| Vesting | Trust, Revocable Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Jan 26, 2026 |
| Transfer Doc | 0000005225 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 9 12TH AVE, SAN MATEO, CA 94402-2401 |
| Transaction Type | Mortgage |
| Record Updated | Oct 18, 2022 |
| Title Company | ADVANTAGE TITLE LLC |
| Name | Verified Name |
|---|---|
| Address | 9 12TH AVE 4, 4, SAN MATEO, CA 94402-2401 |
| Document Number | 0000052386 |
|---|---|
| Date | Apr 1, 2021 |
| Instrument | 2021-052386 |
| Name | CARDINAL FINANCIAL COMPANY LP |
|---|---|
| Type | Mortgage Company |
| Address | CHARLOTTE, NC 28273 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Apr 1, 2051 |
The 2025 property tax bill for 9 12th Ave was $5,523.
Source: San Mateo County assessment roll, as of July 15, 2026
| Type | Name |
|---|---|
| State | California |
| County | San Mateo County |
| Municipality | San Mateo City |
| Elementary School District | San Mateo-Foster City Elementary School District (KG - 08) |
| Secondary School District | San Mateo Union High School District (09 - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $370,913 (+2%) Land $74,170 Building $296,743 | ||
| 2025 | $5,523.00 Homeowner's exemption | $363,641 Land $72,716 Building $290,925 | |
| 2023 | $4,976.00 (+1.08%) Homeowner's exemption | $349,523 Land $69,894 Building $279,629 | $1,124,640 |
| 2022 | $4,923.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 9 12th Ave in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective September 10, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 3 in force |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
The area around 9 12th Ave has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CALIFORNIA WATER SERVICE - SAN MATEO private · serves 103,536 people · EPA ID CA4110008 |
|---|---|
| Water Source | Purchased surface water from SAN FRANCISCO REGIONAL WATER SYSTEM |
| Last State Inspection | Mar 2025 |
| Lead | 4 ppb (2023–2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 906 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable · Fiber in parts of the area | 1,500 / 50 |
| Sonic Telecom Fiber | 1,000 / 1,000 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks, Unwired, Verizon.
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